a 12 V battery; an LED diode; a 470 Ohm resistor, which works as protection and limitation for the LED diode; a 12 V buzzer. It emits an acoustic sound if it is electrically powered. As can be seen ...
These two headlight reminder circuits are easy to install and operate on the KISS (Keep It Simple Stupid) principle. The simple circuit involves adding just a 12V piezo buzzer between the lights ...
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